#include<iostream>
#include<vector>
#include<queue>
#include<cstring>
#include<cmath>
#include<map>
#include<set>
#include<cstdio>
#include<algorithm>
#define debug(a) cout<<#a<<"="<<a<<endl;
using namespace std;
const int maxn=2e5+1000;
typedef long long LL;
inline LL read(){LL x=0,f=1;char ch=getchar();	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
return x*f;}
LL ksm(LL a,LL k){
   LL res=1;
   while(k>0){
      if(k&1) res=res*a;
      k>>=1;
      a=a*a;
   }
   return res;
}
int main(void){
   cin.tie(0);std::ios::sync_with_stdio(false);
   LL t;cin>>t;
   while(t--){
      LL a,b,c;cin>>a>>b>>c;
      LL p=ksm(10,c-1);
      LL num1=ksm(10,a-1);
      LL num2=ksm(10,b-1);
      num2+=p;
      cout<<num1<<" "<<num2<<"\n";
   }
   return 0;
}
